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idf_size: Report per-symbol size from the map file

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Report as per the relevant sections output in the 'archives' output
This commit is contained in:
Kedar Sovani 2018-02-16 14:28:46 +05:30
parent f4009b94dc
commit c8ef747c0a
1 changed files with 40 additions and 2 deletions
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42
tools/idf_size.py
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@ -84,6 +84,7 @@ def load_sections(map_file):
scan_to_header(map_file, "END GROUP")
sections = {}
section = None
sym_backup = None
for line in map_file:
# output section header, ie '.iram0.text 0x0000000040080400 0x129a5'
RE_SECTION_HEADER = r"(?P<name>[^ ]+) +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+)$"
@ -100,18 +101,27 @@ def load_sections(map_file):
# source file line, ie
# 0x0000000040080400 0xa4 /home/gus/esp/32/idf/examples/get-started/hello_world/build/esp32/libesp32.a(cpu_start.o)
RE_SOURCE_LINE = r".*? +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.o)\)"
m = re.match(RE_SOURCE_LINE, line)
RE_SOURCE_LINE = r"\s*(?P<sym_name>\S*).* +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.o)\)"
m = re.match(RE_SOURCE_LINE, line, re.M)
if section is not None and m is not None: # input source file details
sym_name = m.group("sym_name") if len(m.group("sym_name")) > 0 else sym_backup
source = {
"size" : int(m.group("size"), 16),
"address" : int(m.group("address"), 16),
"archive" : os.path.basename(m.group("archive")),
"object_file" : m.group("object_file"),
"sym_name" : sym_name,
}
source["file"] = "%s:%s" % (source["archive"], source["object_file"])
section["sources"] += [ source ]
# In some cases the section name appears on the previous line, back it up in here
RE_SYMBOL_ONLY_LINE = r"^ (?P<sym_name>\S*)$"
m = re.match(RE_SYMBOL_ONLY_LINE, line)
if section is not None and m is not None:
sym_backup = m.group("sym_name")
return sections
def sizes_by_key(sections, key):
@ -146,6 +156,9 @@ def main():
parser.add_argument(
'--archives', help='Print per-archive sizes', action='store_true')
parser.add_argument(
'--archive_details', help='Print detailed symbols per archive')
parser.add_argument(
'--files', help='Print per-file sizes', action='store_true')
@ -160,6 +173,9 @@ def main():
if args.files:
print("Per-file contributions to ELF file:")
print_detailed_sizes(sections, "file", "Object File")
if args.archive_details:
print "Symbols within the archive:", args.archive_details, "(Not all symbols may be reported)"
print_archive_symbols(sections, args.archive_details)
def print_summary(memory_config, sections):
def get_size(section):
@ -226,6 +242,28 @@ def print_detailed_sizes(sections, key, header):
flash_rodata,
total))
def print_archive_symbols(sections, archive):
interested_sections = [".dram0.data", ".dram0.bss", ".iram0.text", ".iram0.vectors", ".flash.text", ".flash.rodata"]
result = {}
for t in interested_sections:
result[t] = {}
for section in sections.values():
section_name = section["name"]
if section_name not in interested_sections:
continue
for s in section["sources"]:
if archive != s["archive"]:
continue
s["sym_name"] = re.sub("(.text.|.literal.|.data.|.bss.|.rodata.)", "", s["sym_name"]);
result[section_name][s["sym_name"]] = result[section_name].get(s["sym_name"], 0) + s["size"]
for t in interested_sections:
print "\nSymbols from section:", t
section_total = 0
for key,val in sorted(result[t].items(), key=lambda (k,v): v, reverse=True):
print("%s(%d)"% (key.replace(t + ".", ""), val)),
section_total += val
print "\nSection total:",section_total
if __name__ == "__main__":
main()